Hit the Trails - Mountain Biking

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Mangini Ranch

Address Provided After Registration

Clayton, CA 94517

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Event description
All Discover Diablo hikes are subject to, and will honor, all applicable COVID-19–related restrictions in place for our area.

About this Event

Come explore the beautiful trails and connectivity of Mangini Ranch and Lime Ridge Open Space via a mountain bike. Enjoy amazing views and landscapes as we ride together through this incredible aspect of Mount Diablo.

Bring snacks, water, a well-functioning mountain bike, and your bike helmet.

Ages 8+

Heavy rain cancels.

Due to COVID-19, we are limiting the hike to 8 participants. All participants must bring a mask and stay 6ft apart. Hand sanitizer will be available at the hike.

Participants will also be required to accept our COVID-19 Protocol (available during registration).

Land: Save Mount Diablo/Walnut Creek Open Space

Rating: Beginner

Distance: 8 miles

Elevation change: 1,500’

Leaders: Dave Hammond, Save Mount Diablo Volunteer & Ted Clement, Save Mount Diablo Executive Director

Meet: Address Provided After Registration

(Photo by Sean Burke)


When does registration open for this event?

Each Discover Diablo event opens up for registration exactly 2 months before the day of the event at 12AM. All events are first come, first serve.

 Are dogs allowed on Discover Diablo hikes?

No. Some Discover Diablo hikes take place on land owned by other organizations (such as Mount Diablo State Park & East Bay Regional Park lands) and many of the trails on these properties have a strict no-dog policy. 

Are there ID or minimum age requirements to enter the event?

Anyone under the age of 18 will need to be accompanied by a parent or guardian. 


Do I have to bring my printed ticket to the event?

No. On the hike day, we will have a roster with your registration information on it. Please make sure to check in with the hike leader.

Can I update my registration information?

Yes. If you would like to change anything, please contact Denise Castro at 

How can I contact the organizer with any questions?

You can reach Denise Castro, Outreach & Education Associate, at


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Mangini Ranch

Address Provided After Registration

Clayton, CA 94517

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